A uniform steel bar of cross-sectional area A and length L is suspended, so that it hangs vertically. The stress at the middle point of the bar is (`rho` is the density of stell)

A uniform steel rod of cross- sectional area A and L is suspended so that it hangs vertically. The stress at the middle point of the rod is

A uniform steel rod of cross- sectional area A and L is suspended so that it hangs vertically. The stress at the middle point of the rod is

A uniform steel rod of cross- sectional area A and L is suspended so that it hangs vertically. The stress at the middle point of the rod is

A steel bar of cross-sectional area A and length l is magnetised to develop an intensity of magnetisation l . The pole strength of the bar is

A steel bar of cross-sectional area A and length l is magnetised to develop an intensity of magnetisation l . The pole strength of the bar is

One end of a uniform rod of mass M and cross- sectional area A is suspended from rigid support and an equal mass M is suspended from the other end. The stress at the mid point of the rod will be

A uniform cylinder of length L and mass M having cross-sectional area A is suspended, with its length vertical, from a fixed point by a massless spring such that it is half submerged in a liquid of density sigma at equillibrium position. The extension x_(0) of the spring when it is equillibrium is

A uniform cylinder of length L and mass M having cross-sectional area A is suspended, with its length vertical, from a fixed point by a massless spring such that it is half submerged in a liquid of density sigma at equilibrium position. The extension x_0 of the spring when it is in equlibrium is:

A uniform cylinder of length L and mass M having cross-sectional area A is suspended, with its length vertical, from a fixed point by a massless spring such that it is half submerged in a liquid of density sigma at equilibrium position. The extension x_0 of the spring when it is in equlibrium is: